I came to know that magento layred navigation is only render first child of current category on layred navigation for
non anchor category.
File for non anchor category HTML render.
currently it display only first level category.I would like to display all sub child in layred navigation.I would like to display it with accordian.
Category 1 Category 1.1 Category 1.1.1 Category 1.1.2 Category 1.1.3 Category 1.2 Category 1.2.1 Category 1.2.2 Category 1.2.3 Category 1.3 Category 2